... , 220V 4.Certificate: CCC,CE,ISO9001 Detailed Product Description :Model: SK-82(1)lamp color: red, green, yellow, white, blue(2 ... Voltage: AC2500V(4)Rated Insulation Voltage: AC690V(5)Voltage Fluctuation: ±15%Ue(6)Using frequency:AC40Hz~60Hz(7)Altitude: ≤ 2000m(8 ... to the product modelOur company website:http://www.shkele.com/ SK-82 Round-head warning light